virtualbox crashes when enabling vrde

[AZ]

> VBoxManage controlvm 59d1f359-3d9c-4d5d-8404-266f9b5cff22 vrde on

dmesg:
[ 48.504536] vboxdrv: loading out-of-tree module taints kernel.
[ 48.504692] vboxdrv: module verification failed: signature and/or required key missing - tainting kernel
[ 48.510697] vboxdrv: Found 8 processor cores
[ 48.528266] vboxdrv: TSC mode is Invariant, tentative frequency 3411479167 Hz
[ 48.528268] vboxdrv: Successfully loaded version 5.2.10_Ubuntu (interface 0x00290001)
[ 48.533241] VBoxNetFlt: Successfully started.
[ 48.537052] VBoxNetAdp: Successfully started.
[ 48.540636] VBoxPciLinuxInit
[ 48.542513] vboxpci: IOMMU not found (not registered)
[ 68.688010] vboxdrv: 0000000000000000 VMMR0.r0
[ 69.082086] vboxdrv: 0000000000000000 VBoxDDR0.r0
[ 69.194586] vboxdrv: 0000000000000000 VBoxEhciR0.r0
[ 360.899738] EMT-3[2493]: segfault at 16952 ip 00007f73b89fcf77 sp 00007f745abfaa08 error 4 in VBoxVNC.so[7f73b89fb000+4000]

-> VBox crashed.

Reported Upstream 20 Months ago: https://www.virtualbox.org/ticket/16603
With patch provided.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: virtualbox 5.2.10-dfsg-6ubuntu18.04.1
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Mon Nov 19 20:19:50 2018
ProcEnviron:
 TERM=screen.xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: virtualbox
UpgradeStatus: Upgraded to bionic on 2018-09-08 (72 days ago)

[AZ (m-dev)]

Solution already proposed upstream.

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "VBoxVNC.fix.diff" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

[Gianfranco Costamagna (costamagnagianfranco)]

I pinged upstream about the patch on irc... lets see if they include it!

I don't plan to cherry-pick the patch unless it gets merged upstream.

[Gianfranco Costamagna (costamagnagianfranco)]

the patch will be part of next vbox release!

[Launchpad Janitor (janitor)]

This bug was fixed in the package virtualbox - 5.2.24-dfsg-4

---------------
virtualbox (5.2.24-dfsg-4) unstable; urgency=medium

  * Fix typo in previous upload

 -- Gianfranco Costamagna <email address hidden> Thu, 17 Jan 2019 10:34:43 +0100